The RMQ-111D will thus protect the generator against damages caused by excessive heating due to slip frequency current flow, at the same time preventing transfer of reactive load from a faulty generator.

The RMQ-121D relay protects generators against overexcitation and will prevent it from generating too high currents in case of heavy inductive loads.

The RMQ-121D will thus protect the generator against damages caused by excessive heating of its windings, at the same time preventing transfer of reactive load to a faulty generator.

Variants

RMQ-111D

  • Excitation loss
  • -Q>: 0 to 25%
  • 1 VAr 3 (4)

RMQ-121D

  • Overexcitation
  • Q>: 25 to 125%
  • 1 VAr 3 (4)
  • Generator under-excitation protection
  • ANSI code 40
  • Single-phase measurement
  • Timer-controlled tripping
  • LED indication of fault/activated relay
  • 35 mm DIN rail or base mounting

文档

Mounting Instructions
Other Technical Documentation

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